L
Liang Chen
Researcher at University of Ottawa
Publications - 371
Citations - 8937
Liang Chen is an academic researcher from University of Ottawa. The author has contributed to research in topics: Brillouin scattering & Brillouin zone. The author has an hindex of 43, co-authored 338 publications receiving 7403 citations. Previous affiliations of Liang Chen include Ottawa University.
Papers
More filters
Journal ArticleDOI
Recent progress in distributed fiber optic sensors.
Xiaoyi Bao,Liang Chen +1 more
TL;DR: A sensor with centimeter spatial resolution and high precision measurement of temperature, strain, vibration and birefringence can find applications in aerospace smart structures, material processing, and the characterization of optical materials and devices.
Journal ArticleDOI
Distributed Vibration Sensor Based on Coherent Detection of Phase-OTDR
TL;DR: In this paper, a distributed vibration sensor was developed by using heterodyne detection and signal processing of moving averaging and moving differential for the phase optical time domain reflectometry system for detecting pencil break vibration.
Journal ArticleDOI
Recent progress in Brillouin scattering based fiber sensors.
Xiaoyi Bao,Liang Chen +1 more
TL;DR: The progress on improving sensing performance parameters like spatial resolution, sensing length limitation and simultaneous temperature and strain measurement is reviewed.
Journal ArticleDOI
Differential pulse-width pair BOTDA for high spatial resolution sensing
TL;DR: A differential pulse-width pair Brillouin optical time domain analysis (DPP-BOTDA) for centimeter spatial resolution sensing using meter equivalent pulses is proposed.
Journal ArticleDOI
Wavelet Denoising Method for Improving Detection Performance of Distributed Vibration Sensor
TL;DR: A new wavelet shrinkage approach allows the distributed vibration measurement of 20-Hz and 8-kHz events to be detected over 1-km sensing length with a 5-ns optical pulse, which is equivalent to 50-cm spatial resolution using the single-mode sensing fiber.